Does anyone know if hyponatremia is water intoxication?

Not the same: But could be related. Hyponatremia means there is too little sodium in the blood. Water intoxication means someone has taken in so much water that they have diluted the salts like sodium in the blood. In general, the kidneys are very good at regulating sodium and water, so often one has to have an illness for this system to get out of whack.

Yes: Respectfully, this is a spectrum of the same problem. When some is losing sodium through sweat and replacing losses with water (not salts + water), the salt to water ratio drops. This is called hyponatremia. When hyponatremia develops quickly, the brain cells swell and this alters cognition and can cause a seizure. The spectrum from nausea to seizure can be considered water intoxication.

Here are some...: Hyponatemia may be an indirect lab test of water intoxication resulting from inadequate disproportional fluid replacement for over sweating, hypovolemia from chronic dehydration, or hypervolemia from acute absorption during surgery like that in transurethral resection of prostate with obstructive voiding. The degree & pace of Its related symptoms may widely vary depending the pace of developing...